From aa6696ae33c7b3e0b5d4a5095380dd5632736db8 Mon Sep 17 00:00:00 2001
From: Harry Kalodner <harry@offchainlabs.com>
Date: Fri, 13 May 2022 18:14:00 -0400
Subject: [PATCH] Only create da signer when running with a wallet

---
 cmd/nitro/nitro.go | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/cmd/nitro/nitro.go b/cmd/nitro/nitro.go
index 567125a43f..5a8aae6ff3 100644
--- a/cmd/nitro/nitro.go
+++ b/cmd/nitro/nitro.go
@@ -113,6 +113,7 @@ func main() {
 
 	var rollupAddrs arbnode.RollupAddresses
 	var l1TransactionOpts *bind.TransactOpts
+	var daSigner func([]byte) ([]byte, error)
 	if nodeConfig.Node.L1Reader.Enable {
 		log.Info("connected to l1 chain", "l1url", nodeConfig.L1.URL, "l1chainid", l1ChainId)
 
@@ -129,6 +130,11 @@ func main() {
 			if err != nil {
 				panic(err)
 			}
+
+			daSigner, err = arbnode.GetSignerFromWallet(l1Wallet)
+			if err != nil {
+				panic(err)
+			}
 		}
 	} else if l1Client != nil {
 		// Don't need l1Client anymore
@@ -296,11 +302,6 @@ func main() {
 		}
 	}
 
-	daSigner, err := arbnode.GetSignerFromWallet(l1Wallet)
-	if err != nil {
-		panic(err)
-	}
-
 	currentNode, err := arbnode.CreateNode(stack, chainDb, &nodeConfig.Node, l2BlockChain, l1Client, &rollupAddrs, l1TransactionOpts, daSigner)
 	if err != nil {
 		panic(err)